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Patent number:
Patent Date:
US Patent: 89,097
Improvement in Augers
Patentee:
Calvin Wardwell (
exact
or
similar
names) - Painesville, OH
USPTO Classifications:
408/223
,
408/224
Tool Categories:
woodworking tools
:
hand drills
:
drill bits
:
auger bits
woodworking tools
:
hand drills
:
drill bits
:
countersinks
Assignees:
Calving Wardwell
- Painesville, OH
H. H. Coe
- Painesville, OH
Manufacturer:
Not known to have been produced
Witnesses:
Samuel Moodey
Edwin Huntington
Patent Dates:
Granted:
Apr. 20, 1869
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin (dm)
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